AutoQuiz: What Is PID in a Control Loop?

AutoQuiz is edited by Joel Don, ISA’s social media community manager.

 

Today’s automation industry quiz question comes from the ISA Certified Automation Professional certification program. ISA CAP certification provides a non-biased, third-party, objective assessment and confirmation of an automation professional’s skills. The CAP exam is focused on direction, definition, design, development/application, deployment, documentation, and support of systems, software, and equipment used in control systems, manufacturing information systems, systems integration, and operational consulting. Click this link for more information about the CAP program. The following question comes from the CAP study guide, Performance Domain III, System Design − design, specify, and procure the hardware/software used in the system

How is PID defined in the phrase “PID control loop”?

a) Proportional Instrument Device
b) Piping Instrumentation Diagram
c) Percentage Integration Delta
d) Proportional Integral Derivative
e) none of the above

   

Click Here to Reveal the Answer

 

The PID term as described refers to the loop control technique used in controllers.

Proportional Integral Derivative is the correct term as referenced. A PID control loop includes proportional, integral, and derivative functions to control the process.

The correct answer is D, Proportional Integral Derivative.

Print Friendly, PDF & Email

, , , , , , ,

Attend ISA's 2018 Leak Detection & Repair/Fugitive Emissions Symposium

 

Don't miss the air compliance industry's only conference dedicated to sharing best practices for leak detection and repair (LDAR). Join your colleagues in Galveston, Tex. during the first week in March for technical presentations, professionals networking, and ISA-led training courses.

 earn-more-button-blue-02

 

You have Successfully Subscribed!